Period
to 15 February 2019

The median contractor rate for a Senior Developer was £450 per day in advertised job vacancies in Hertfordshire during the 6 months to 15 February 2019.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Senior Developer
East of England > Hertfordshire
6 months to
15 Feb 2019
Same period 2018 Same period 2017
Rank 66 68 61
Rank change year-on-year +2 -7 +18
Contract jobs requiring a Senior Developer 30 35 35
As % of all contract IT jobs advertised in Hertfordshire 2.12% 2.25% 2.60%
As % of the Job Titles category 2.28% 2.38% 2.70%
Number of daily rates quoted 24 32 30
Hertfordshire median daily rate £450 £388 £525
Median daily rate % change year-on-year +16.13% -26.19% +16.67%
10th Percentile £413 £340 £375
90th Percentile £542 £569 £569
East of England median daily rate £515 £513 £500
% change year-on-year +0.49% +2.45% +11.17%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £45.00 £45.00 £16.50
% change year-on-year - +172.73% -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in Hertfordshire. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
Hertfordshire
Contract vacancies in Hertfordshire with a recognized job title 1,314 1,470 1,294
% of contract IT jobs with a recognized job title 92.73% 94.35% 96.14%
Number of daily rates quoted 761 741 735
Hertfordshire median daily rate £425 £400 £425
Median daily rate % change year-on-year +6.25% -5.88% +6.25%
10th Percentile £190 £200 £210
90th Percentile £556 £569 £550
East of England median daily rate £425 £418 £400
% change year-on-year +1.80% +4.38% -
Number of hourly rates quoted 122 106 88
Hertfordshire median hourly rate £13.15 £17.50 £14.50
Median hourly rate % change year-on-year -24.86% +20.69% -19.44%
10th Percentile £10.36 £10.00 £10.12
90th Percentile £48.18 £44.75 £52.61
East of England median hourly rate £16.25 £19.00 £20.00
% change year-on-year -14.47% -5.00% -13.04%

Senior Developer
Job Vacancy Trend in Hertfordshire

Job postings that featured Senior Developer in the job title as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Senior Developer in Hertfordshire

Senior Developer
Contractor Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Senior Developer in Hertfordshire.

Contractor daily rate trend for Senior Developer in Hertfordshire

Senior Developer
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Senior Developer in Hertfordshire over the 6 months to 15 February 2019.

Contractor daily rate histogram for Senior Developer in Hertfordshire

Senior Developer
Contractor Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Senior Developer in Hertfordshire.

Contractor hourly rate trend for Senior Developer in Hertfordshire

Senior Developer
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Senior Developer within the Hertfordshire region over the 6 months to 15 February 2019. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +18 13 £475 +30.14% 5
Hitchin - 6 £425 - 1
St Albans - 3 £406 - 5
Hemel Hempstead +3 2 - - 3
Potters Bar - 2 £450 - 1
Welwyn Garden City +4 1 £563 +1.81%
Senior Developer
East of England

Senior Developer Skill Set
Top 30 Co-occurring IT Skills in Hertfordshire

For the 6 months to 15 February 2019, Senior Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Hertfordshire region featuring Senior Developer in the job title.

1 18 (60.00%) Agile Software Development
2 13 (43.33%) Business Intelligence
3 9 (30.00%) Finance
4 7 (23.33%) Data Modelling
4 7 (23.33%) Oracle
4 7 (23.33%) REST
4 7 (23.33%) Power BI
5 6 (20.00%) SOAP
5 6 (20.00%) .NET
6 5 (16.67%) Microsoft
6 5 (16.67%) Web Services
6 5 (16.67%) SQL Server
6 5 (16.67%) CA
6 5 (16.67%) AngularJS
7 4 (13.33%) Virtual Machines
7 4 (13.33%) Java 8
7 4 (13.33%) Microservices
7 4 (13.33%) API Development
7 4 (13.33%) Kimball Methodology
7 4 (13.33%) Inmon Methodology
7 4 (13.33%) Pharmaceutical
7 4 (13.33%) TDD
7 4 (13.33%) MVC
7 4 (13.33%) Java
7 4 (13.33%) JavaScript
7 4 (13.33%) XQuery
7 4 (13.33%) Cognos
8 3 (10.00%) Data Warehouse
8 3 (10.00%) ASP.NET
8 3 (10.00%) CSS

Senior Developer Skill Set
Co-occurring IT Skills in Hertfordshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Applications
1 1 (3.33%) GNU Octave
1 1 (3.33%) Simulink
Business Applications
1 3 (10.00%) Cognos Business Intelligence
2 2 (6.67%) Dynamics CRM
3 1 (3.33%) Cognos TM1
Cloud Services
1 1 (3.33%) Amazon AWS
1 1 (3.33%) Microsoft Azure
1 1 (3.33%) SaaS
Communications & Networking
1 2 (6.67%) Firewall
Database & Business Intelligence
1 7 (23.33%) Power BI
2 5 (16.67%) SQL Server
3 3 (10.00%) Data Warehouse
3 3 (10.00%) PowerCenter
3 3 (10.00%) Relational Database
4 2 (6.67%) Big Data
4 2 (6.67%) SQL Server 2005
5 1 (3.33%) Cognos Report Studio
5 1 (3.33%) SQL Server Analysis Services
5 1 (3.33%) SQL Server Integration Services
5 1 (3.33%) SQL Server Reporting Services
Development Applications
1 3 (10.00%) Visual Studio
2 2 (6.67%) JIRA
2 2 (6.67%) Team Foundation Server
3 1 (3.33%) Git (software)
General
1 9 (30.00%) Finance
2 4 (13.33%) Pharmaceutical
3 2 (6.67%) Manufacturing
4 1 (3.33%) Marketing
Libraries, Frameworks & Software Standards
1 7 (23.33%) REST
2 6 (20.00%) .NET
2 6 (20.00%) SOAP
3 5 (16.67%) AngularJS
3 5 (16.67%) Web Services
4 3 (10.00%) ASP.NET
4 3 (10.00%) CSS
4 3 (10.00%) HTML
4 3 (10.00%) Spring
4 3 (10.00%) Spring Boot
5 2 (6.67%) .NET Framework
5 2 (6.67%) ASP.NET Core
5 2 (6.67%) ASP.NET MVC
5 2 (6.67%) ASP.NET Web API
5 2 (6.67%) Entity Framework
5 2 (6.67%) HTML5
5 2 (6.67%) jQuery
5 2 (6.67%) PhoneGap
5 2 (6.67%) Twitter Bootstrap
6 1 (3.33%) Angular 2
Miscellaneous
1 3 (10.00%) Analytical Skills
1 3 (10.00%) Greenfield Project
2 2 (6.67%) User Experience
3 1 (3.33%) Data Structures
3 1 (3.33%) Field-Programmable Gate Array
3 1 (3.33%) Self-Motivation
3 1 (3.33%) VHDL
Operating Systems
1 3 (10.00%) Windows
2 2 (6.67%) Android
2 2 (6.67%) Apple iOS
2 2 (6.67%) Windows Server
2 2 (6.67%) Windows Server 2003
3 1 (3.33%) Linux
Processes & Methodologies
1 18 (60.00%) Agile Software Development
2 13 (43.33%) Business Intelligence
3 7 (23.33%) Data Modelling
4 4 (13.33%) API Development
4 4 (13.33%) Inmon Methodology
4 4 (13.33%) Kimball Methodology
4 4 (13.33%) Microservices
4 4 (13.33%) MVC
4 4 (13.33%) TDD
5 3 (10.00%) Data Integration
5 3 (10.00%) ETL
5 3 (10.00%) Problem-Solving
5 3 (10.00%) SDLC
6 2 (6.67%) CRM
6 2 (6.67%) EAI
6 2 (6.67%) Infrastructure Management
6 2 (6.67%) Migration
6 2 (6.67%) Scrum
6 2 (6.67%) SOA
6 2 (6.67%) Test Scripting
Programming Languages
1 4 (13.33%) Java
1 4 (13.33%) Java 8
1 4 (13.33%) JavaScript
1 4 (13.33%) XQuery
2 3 (10.00%) C#
2 3 (10.00%) SQL
3 1 (3.33%) ABAP
3 1 (3.33%) C
3 1 (3.33%) C++
3 1 (3.33%) PHP
3 1 (3.33%) TypeScript
Qualifications
1 2 (6.67%) Security Cleared
System Software
1 4 (13.33%) Virtual Machines
2 1 (3.33%) Active Directory
2 1 (3.33%) Docker
Vendors
1 7 (23.33%) Oracle
2 5 (16.67%) CA
2 5 (16.67%) Microsoft
3 4 (13.33%) Cognos
4 3 (10.00%) Informatica
5 2 (6.67%) F5
5 2 (6.67%) Palo Alto
5 2 (6.67%) Tableau
5 2 (6.67%) Telerik
5 2 (6.67%) Xamarin
6 1 (3.33%) SAP
6 1 (3.33%) Xilinx